Got HTTP status 404 Not Found for "http://roaringjelly.org/~jc/music/book/CDM5/Gow-CSR1-abc2.abc"
pngcmd="(./ps2png 512 512 /Users/jc/w/tmp/Tune-35606-Gow-CSR1-abc2.ps) >>/Users/jc/w/tmp/Tune-35606-get.log 2>&1" returned status 256
http://roaringjelly.org/~jc/music/book/CDM5/Gow-CSR1-abc2.abc

Error exit status 256; here are some files to check:
[P=tuneget V=1/1 B=0 scale=0.70 512x512 PNG]
filesizedescription
Tune-35606-01_Tink_a_Tink.abc 1288 ABC music file with the extracted tune(s)
Tune-35606-01_Tink_a_Tink.pdf 24098 Portable Data Format
Tune-35606-01_Tink_a_Tink.ps 38261 PostScript
Tune-35606-01_Tink_a_Tink.txt 1288 Plain-text file with the extracted tune(s)
Tune-35606-Gow-CSR1-abc2.abc 150 ABC music file with the extracted tune(s)
Tune-35606-Gow-CSR1-abc2.ps 6 PostScript
Tune-35606-Gow-CSR1-abc2.txt 150 Plain-text file with the extracted tune(s)
Tune-35606-get.log 9492 Log file, useful mostly for debugging
These files should be available for 24 hours.